Gold powder washing reaction kettle

Abstract

The utility model relates to the technical field of precious metal refining, in particular to a gold powder washing reaction kettle which comprises a reaction kettle body, the reaction kettle body is fixed on a supporting frame, and a negative pressure smoke suction pipeline, an acid adding pipeline, a water adding pipeline and a material adding pipeline are arranged at the top of the reaction kettle body. A stirring device is arranged on the reaction kettle body, the stirring device comprises a stirring motor, the stirring motor is vertically and downwards fixed at the top of the reaction kettle body, a stirring rod is fixed on a rotor of the stirring motor, and the stirring rod downwards extends to the bottom of the reaction kettle body. And a plurality of stirring fan blades are fixed on the stirring rod. According to the gold powder washing reaction kettle, impurities in gold powder can be effectively washed and removed, and the purity and the quality of the washed gold powder are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to precious metal refining technical field, especially a kind of gold powder washing reaction kettle. BACKGROUND

[0002] In the process of precious metal refining, gold powder as key product, its purity directly affects the quality and value of subsequent product. However, gold powder in preparation process often remains various impurities, such as not completely reacted raw material, reaction by-product and the pollutant of equipment introduction etc. The existence of these impurities not only reduces the purity of gold powder, but also can affect its subsequent processing performance and application effect. Therefore, how to effectively wash the impurities in gold powder becomes the technical problem to be solved in the field of precious metal refining. SUMMARY

[0003] The utility model discloses a kind of gold powder washing reaction kettle, can effectively wash and remove the impurities in gold powder, ensure the purity and quality of gold powder after washing.

[0004] To achieve the above object, the technical scheme of the utility model is as follows:

[0005] A kind of gold powder washing reaction kettle, including reaction kettle body, the reaction kettle body is fixed on support frame, negative pressure smoke pipe, acid adding pipe, water adding pipe and material adding pipe are equipped on the top of the reaction kettle body, agitating device is equipped on the reaction kettle body, the agitating device includes agitating motor, the agitating motor is vertically fixed on the top of reaction kettle body, agitating rod is fixed on the rotor of the agitating motor, the agitating rod extends to the bottom of reaction kettle body, a plurality of stirring vanes are fixed on the agitating rod;

[0006] The reaction kettle body is hollow structure, heating wire is wound on the inner wall of the reaction kettle body, and heat conducting oil is filled in the hollow structure.

[0007] First discharge pipe is equipped on the bottom of the reaction kettle body.

[0008] As an improvement: a plurality of temperature sensors are equipped on the bottom of the reaction kettle body, temperature sensing table is equipped on the top of the reaction kettle body, and the temperature sensing table is connected with temperature sensor and heating wire.

[0009] As an improvement: scraper is fixed on the agitating rod, and the scraper is attached to the inner wall of reaction kettle body.

[0010] As an improvement: openable observation window is equipped on the top of the reaction kettle body.

[0011] As an improvement: a filtering device is arranged below the first discharge pipe, the filtering device comprises a filtering adapter, one end of the filtering adapter is fixedly connected with the first discharge pipe, and the other end of the filtering adapter is fixedly connected with a second discharge pipe, and a valve is arranged on the second discharge pipe;

[0012] A filtering screen is rotatably arranged in the filtering adapter, and a rotating motor is horizontally arranged on the outer wall of the filtering adapter, and the rotor of the rotating motor is fixedly connected with the filtering screen.

[0013] In summary, the utility model has the following beneficial effects:

[0014] 1. The heating wire can heat the heat-conducting oil, the heat-conducting oil can transmit heat to the material in the reaction kettle body through the reaction kettle body, the temperature of the gold powder is raised through the indirect heating mode, and the pollution possibly introduced in the heating process is effectively avoided;

[0015] 2. The agitation motor drives the agitation fan blade to rotate, so that the gold powder and the washing liquid are fully contacted, and the washing efficiency is improved;

[0016] 3. The heating temperature is set through the temperature sensing table, the temperature sensor can sense the temperature of the heat-conducting oil, and the current temperature is sent to the temperature sensing table, the working of the heating wire is controlled by the temperature sensing table, so that the temperature in the reaction kettle is kept constant, and the washing efficiency and the purity of the gold powder are improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the utility embodiment, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description.

[0018] Fig. 1 It is a kind of gold powder washing reaction kettle's overall structure schematic diagram;

[0019] Fig. 2 It is a kind of gold powder washing reaction kettle's cross section structure schematic diagram;

[0020] Wherein: 1, reaction kettle body;2, support frame;3, negative pressure smoke extraction pipeline;4, acid adding pipeline;5, water adding pipeline;6, material adding pipeline;7, agitation motor;8, agitation rod;9, agitation fan blade;10, heating wire;11, first discharge pipe;12, temperature sensor;13, temperature sensing table;14, scraping plate;15, openable observation window;16, filtering adapter;17, second discharge pipe;18, valve;19, filtering screen;20, rotating motor. DETAILED DESCRIPTION

[0021] The utility model will be further described in detail in combination with the drawings.

[0022] Please refer toFigs. 1-2 The gold powder washing reaction kettle comprises a reaction kettle body 1, the reaction kettle body 1 is fixed on a support frame 2, a negative pressure smoke extraction pipeline 3, an acid adding pipeline 4, a water adding pipeline 5 and a material adding pipeline 6 are arranged on the top of the reaction kettle body 1, a stirring device is arranged on the reaction kettle body 1, the stirring device comprises a stirring motor 7, the stirring motor 7 is fixed vertically downward on the top of the reaction kettle body 1, a stirring rod 8 is fixed on the rotor of the stirring motor 7, the stirring rod 8 extends downward to the bottom of the reaction kettle body 1, and a plurality of stirring blades 9 are fixed on the stirring rod 8.

[0023] The reaction kettle body 1 is a hollow structure, heating wires 10 are wound on the inner wall of the reaction kettle body 1, and heat-conducting oil is filled in the hollow structure; and a first discharge pipe 11 is arranged at the bottom of the reaction kettle body 1.

[0024] In the embodiment, the heat-conducting oil can be heated by the heating wires 10, the heat-conducting oil can transmit heat to the material in the reaction kettle body 1 through the reaction kettle body 1, the temperature of the gold powder is raised through the indirect heating mode, and the pollution possibly introduced in the heating process is effectively avoided; and the stirring motor 7 drives the stirring blades 9 to rotate, so that the gold powder and the washing liquid can be fully contacted, and the washing efficiency is improved.

[0025] In the embodiment, the reaction kettle body 1 is made of titanium alloy, the material has excellent corrosion resistance to nitric acid and hydrochloric acid, and can stably operate for a long time in a strong acid environment without corrosion.

[0026] A plurality of temperature sensors 12 are arranged at the bottom of the reaction kettle body 1, a temperature sensing table 13 is arranged at the top of the reaction kettle body 1, and the temperature sensing table 13 is connected with the temperature sensors 12 and the heating wires 10. In the embodiment, the heating temperature is set through the temperature sensing table 13, the temperature sensors 12 can sense the temperature of the heat-conducting oil and send the current temperature to the temperature sensing table 13, the working of the heating wires 10 is controlled by the temperature sensing table 13, so that the temperature in the reaction kettle can be kept constant, and the washing efficiency and the purity of the gold powder are improved.

[0027] A scraping plate 14 is fixed on the stirring rod 8 and adheres to the inner wall of the reaction kettle body 1. In the embodiment, the scraping plate 14 can scrape the gold powder adhered to the inner wall of the reaction kettle body 1.

[0028] An openable observation window 15 is arranged at the top of the reaction kettle body 1, in the embodiment, the washing effect can be observed through the openable observation window 15, and the inside of the reaction kettle body 1 can be cleaned.

[0029] A filter device is arranged below the first discharge pipe 11, and the filter device comprises a filter butt cylinder 16, one end of which is fixedly connected with the first discharge pipe 11, and the other end of which is fixedly connected with a second discharge pipe 17, and a valve 18 is arranged on the second discharge pipe 17; a filter screen plate 19 is rotatably arranged in the filter butt cylinder 16, and a rotating motor 20 is horizontally arranged on the outer wall of the filter butt cylinder 16, and the rotor of the rotating motor 20 is fixedly connected with the filter screen plate 19. In the embodiment, the filter device can realize the filtration and separation of the gold powder, and the washing efficiency is improved.

[0030] Working principle: the gold powder to be washed is placed into the reaction kettle body 1 from the material adding pipe 6, and acid liquid and clean water are respectively injected through the acid adding pipe 4 and the water adding pipe 5, the heating wire 10 is started to heat the heat conducting oil, the heat conducting oil transmits heat to the material in the reaction kettle, and under the cooperation of the temperature sensor 12, the heating wire 10 and the temperature sensing table 13, the gold powder is kept in a constant range, the stirring motor 7 drives the stirring fan blade 9 to rotate, so that the gold powder is fully contacted with the acid liquid, and rapid washing is realized.

[0031] After a period of washing, the valve 18 is opened to filter and discharge the waste liquid through the filter screen plate 19, and the gold powder is left in the reaction kettle body 1, if the washing effect is not good, the valve 18 is closed, and the acid liquid and the crystal water are injected again to wash multiple times, after the washing is completed, the valve 18 is opened to discharge the waste liquid, then the rotating motor 20 is started to adjust the filter screen plate 19 to be in a vertical state, and the gold powder in the reaction kettle body 1 is discharged.

[0032] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that; the specific embodiments of the present application can be modified or some technical features can be replaced by equivalent ones; without departing from the spirit of the technical solutions of the present application, they should be covered in the technical solution range of the present application claimed.

Claims

1. A kind of gold powder washing reaction kettle, including reaction kettle body, the reaction kettle body is fixed on support frame, negative pressure smoke pipe, acid adding pipe, water adding pipe and material adding pipe are equipped at the top of the reaction kettle body, it is characterized in that, An agitating device is arranged on the reaction kettle body, which comprises an agitating motor fixed vertically downward on the top of the reaction kettle body, an agitating rod fixed on the rotor of the agitating motor and extending downward to the bottom of the reaction kettle body, and a plurality of agitating blades fixed on the agitating rod. The reaction kettle body is a hollow structure, a heating wire is wound on the inner wall of the reaction kettle body, and the hollow structure is filled with heat conducting oil. A first discharge pipe is arranged at the bottom of the reaction kettle body.

2. The gold powder washing reaction kettle according to claim 1, characterized in that, A plurality of temperature sensors are arranged at the bottom of the reaction kettle body, and a temperature sensing table is arranged at the top of the reaction kettle body and connected with the temperature sensors and the heating wire.

3. The gold powder washing reaction kettle according to claim 1, characterized in that, A scraping plate is fixed on the agitating rod and adheres to the inner wall of the reaction kettle body.

4. The gold powder washing reaction kettle according to claim 1, characterized in that, An openable observation window is arranged at the top of the reaction kettle body.

5. The gold powder washing reaction kettle according to claim 1, characterized in that, A filtering device is arranged below the first discharge pipe, which comprises a filtering butt joint cylinder fixedly connected with the first discharge pipe at one end and fixedly connected with a second discharge pipe at the other end, and a valve is arranged on the second discharge pipe. A filtering screen is rotatably arranged in the filtering butt joint cylinder, and a rotating motor is horizontally arranged on the outer wall of the filtering butt joint cylinder and fixedly connected with the filtering screen.

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